Online from: 1981
Subject Area: Electrical & Electronic Engineering
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|Title:||Novel X-ray scanner based on nanomaterials|
|Author(s):||Robert Bogue, (Associate Editor, Sensor Review)|
|Citation:||Robert Bogue, (2010) "Novel X-ray scanner based on nanomaterials", Sensor Review, Vol. 30 Iss: 4, pp.276 - 278|
|Keywords:||Cold-cathode tubes, Image scanners, Nanotechnology, X-rays|
|Article type:||Technical paper|
|DOI:||10.1108/02602281011072134 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – The purpose of this paper is to describe a novel, nanomaterial-based X-ray imaging technology, developed at the University of North Carolina.
Design/methodology/approach – The paper describes a unique X-ray source, based on field emission from a carbon nanotube (CNT) cold cathode and discusses its application to computer tomography (CT).
Findings – CNT-based X-ray sources are shown to offer improved performance over conventional thermionic devices and allow the design of gantry-free, stationary CT systems with faster scanning speeds and better image quality. The field emission technology has been commercialised by Xintek and a joint venture with Siemens, XinRay Systems, aims to commercialise CT imagers based on the technology.
Originality/value – The paper describes a novel approach to the generation of X-rays and its use in medical CT imaging systems.
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